plumb bob

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Related to plumb bobs: plumb line

plumb bob

n.
A usually conical metal weight attached to the end of a plumb line. Also called plummet.

plumb bob

n
(Building) the weight, usually of lead, at the end of a plumb line; plummet

plum•met

(ˈplʌm ɪt)

n.
1. the piece of lead or other weight attached to a plumb line; bob of a plumb line.
v.i.
2. to fall straight or sharply down; plunge.
[1350–1400; Middle English plommet < Middle French, diminutive of plomb lead. See plumb, -et]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plumb bob - the metal bob of a plumb lineplumb bob - the metal bob of a plumb line  
bob - a hanging weight, especially a metal ball on a string
plumb line, perpendicular - a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
Translations

plumb bob

nLot nt, → Senkblei nt

plumb bob

npiombino
References in periodicals archive ?
The company retails laser levels and laser level accessories of all types including rotary lasers, laser line levels, laser plumb bobs, laser distance meters, laser detectors, and torpedo lasers.
Replacing conventional tools such as tape measures, piano wire, plumb bobs, and theodolites - customers have come to know FARO Laser Trackers for their use in applications such as alignment, machine installation, component inspection, tool building and setup, and reverse engineering.
It took years of corrosion and dropping plumb bobs to penetrate the striking plate and hull.